fix egrep rule and ncat rule (#617)
fix egrep rule and ncat rule (#617)

* fix egrep rule and ncat rule
falco-CLA-1.0-signed-off-by: Dario Martins Silva <dmsilva@protonmail.com>

* add space after arguments, add --lua-exec
falco-CLA-1.0-signed-off-by: Dario Martins Silva <dmsilva@protonmail.com>

draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco